Ex parte ESSLINGER et al. - Page 8




          Appeal No. 95-5061                                                          
          Application 07/825,979                                                      


          Garlock, Inc., 721 F.2d at 1551, 1553, 220 USPQ at 311, 312-13.             
               We further note that the remaining independent claim, claim            
          5, recites the following limitation:                                        
               means for carrying out a discrete event simulation                     
               process have multiple parallel transactions by                         
               execution of one transaction at a time until the                       
               transaction is blocked by an occurrence of a blocking                  
               event, the means for carrying out the discrete event                   
               simulation process including means for generating a                    
               stream of trace messages, the trace messages describing                
               occurrences of pre-select events during execution of a                 
               first transaction and the switching of the discrete                    
               event simulation process to a next transaction upon                    
               occurrence of a blocking event to the first                            
               transaction, wherein the means for carrying out a                      
               discrete event simulation includes means for                           
               controlling and execution of, and changing a state of                  
               and displaying the state of the simulation process in                  
               response to commands received from graphical user                      
               interface means.                                                       
                                                                                     
          For the same reasons above, we find that the Examiner has not               
          carried the burden of establishing that either Luke or Raeder,              
          independently or together, teaches the above limitations.                   
          Therefore, we have not sustained the Examiner's rejection of                
          Appellants' claims.                                                         
               In view of the foregoing, the decision of the Examiner                 
          rejecting claims 1 through 5, 7 and 8 is reversed.                          
                                      REVERSED                                        


                    MICHAEL R. FLEMING           )                                    

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